<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登陆界面</title>
</head>
<body>
    <h1>This is LoginPanel</h1>
    <form action="/Login" method="POST">
    <label>username:</label><input type="text" name="username"><br>
    <label>password:</label><input type="password" name="password"><br>
    <input type="submit" value="Login">
    </form>
</body>
</html>